. >> reporter: vice president joe biden campaigned in battled ground florida, where he argued that the obama administration inherited trillion-dollar deficits from the bush administration. >> they put two wars on a credit card, not paying a penny, not paying a penny. >> reid: meanwhile be president obama and mitt romney were hunkered down today cramming for next week's debate showdown. both sides are working hard to lower expect aches by praising their opponents. a romney adviser says the president has the advantage as one of the most talented political communicators in modern history. the obama campaign says romney has the agent having debated about two dozen times during the republican primary campaign. >> both of these individuals are had ample experience debating but governor romney has had more practice recently and practice helps. >> kathleen hall jamieson kathls the nonpartisan annenberg center. >> the challenger has the opportunity to establish he is competent to stand up and hold his own against the president of the united states. a challenger who accomplishes that in effect w